Some of the descendants of John Michael Dübendorf, 1695-1778; more especially those directly descended through his grandson David Diffenderffer, 1752-1846, by his great-great grandson Frank Ried Diffenderffer, 1833-1921
as revised and continued through David Rittenhouse Diffenderffer, 1822-1900; by his grandson William Henry Owen, III ... with addendum Dunham and Owen families, Lebanon, Mo.